network security.

network security.

1. Firewall.

   • The fire wall stops the computer from sending or receiving data packets unless the computer allows it some programs are an exemption.
   • A fire wall is use full because then you cant receive unwanted data packets.

2. Encryption.

   • Cipher, Encrypt, Decrypt and Key.

3. passwords.

   • passwords is digitel security to stop unwanted people getting on your device.

4. physical security.

   • locked doors, cabniets, chains ,etc.
   • physical security is a physical item which is stoping unwanted people to get at your things.

5. user access levels.

   • User access levels are things like admin and the higher or lower your user access level depends on what you can access.